Kaoian, Jutharat, Pattamawadee Thaworn, and Monthon Lertcanawanichakul. 2009. “Detection of mutagenicity of biocompound from Bacillus spp. by the Salmonella mutagenicity test”. Archives of Allied Health Sciences 21 (1). Khon Kaen, Thailand:40-49. https://he01.tci-thaijo.org/index.php/ams/article/view/66178.